CAST, Inc. S8051XC3-A

The CAST, Inc. S8051XC3-A is a Flexible configurable, single-clock 8051 compatible IP core with 9.41 times more performance than legacy 80C51 (with Dhrystone v2.1 Benchmark on identical clock speed). Optional features: 32 I/O lines, two 16-bit timer/counters, 6 interrupts/2 priority levels, serial interface (UART), power management unit (PMU) with Dynamic Frequency Scaling (DFC), externally generated wait states. Optionally available: JTAG or One-Wire Debug Interface for Keil uVision Debugger.